4 doctors weighed in:
How long does it take for a morphine patch durogesic fentanyl to lose effect?
4 doctors weighed in

Dr. Andrew Gross
Anesthesiology
3 doctors agree
In brief: Narcotic patches
The patch you ask about is not a morphine patch, but is a patch with fentanyl citrate.
This is a synthetic potent fat soluble medication much more potent than morphine and with more action in the spinal cord and brain areas due to high fat absorption. Due to this the patch can stay effective for up to 12-24 hours after patch removal even though fentanyl can be broken down quickly be careful.

In brief: Narcotic patches
The patch you ask about is not a morphine patch, but is a patch with fentanyl citrate.
This is a synthetic potent fat soluble medication much more potent than morphine and with more action in the spinal cord and brain areas due to high fat absorption. Due to this the patch can stay effective for up to 12-24 hours after patch removal even though fentanyl can be broken down quickly be careful.
Dr. Andrew Gross
Dr. Andrew Gross
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